<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			*{
				padding: 0;
				margin: 0;
			}
			body{
				background-color: rgb(0, 102, 102);
			}
			ul{
				border: 2px solid red;
				width: 726px;
				list-style-type: none;
				margin: 20px auto;
			}
			img{
				width: 200px;
				height: 200px;
			}
			li{
				position: relative;
				float: left;
				border: 1px solid red;
				padding: 10px;
				margin: 10px;
				background-color: rgb(204, 204, 204);
			}
			p{
				position: absolute;
				bottom: 40px;
				text-align: center;
			}
			.clearFloat{
				clear: both;
			}
			li:hover{
				position: relative;
				top: -2px;
				left: 2px;
			}
			.jumpTop{
				width: 80px;
				height: 25px;
				border: 1px solid red;
				text-align: center;
				line-height: 25px;
				position: fixed;
				bottom: 20px;
				right: 20px;
			}
		</style>
	</head>
	<body>
		<ul>
			<li>
				<img src="img/01.jpg">
				<p>Java学习教程</p>
			</li>
			<li>
				<img src="img/02.jpg">
				<p>Java学习教程</p>
			</li>
			<li>
				<img src="img/03.jpg">
				<p>Java学习教程</p>
			</li>
			<li>
				<img src="img/04.jpg">
				<p>Java学习教程</p>
			</li>
			<li>
				<img src="img/05.jpg">
				<p>Java学习教程</p>
			</li>
			<li>
				<img src="img/06.jpg">
				<p>Java学习教程</p>
			</li>
			<li>
				<img src="img/06.jpg">
				<p>Java学习教程</p>
			</li>
			<li>
				<img src="img/06.jpg">
				<p>Java学习教程</p>
			</li>
			<div class="clearFloat"></div>
		</ul>
		<div class="jumpTop">
			<a href="#">顶部</a>
		</div>
	</body>
</html>
